Is customization available?

Yes, we provide full customization from samples, designs, minor adjustments, and flexible customization based on your specific requirements and drawings.

What is your minimum order quantity?

The minimum order quantity is 20,000 pieces. We also accept small orders for standard products upon consultation.

How are products packed?

Standard packing is 20-25kg per carton, with 36 or 48 cartons per pallet (approx. 900-960kg). We can also customize packaging with your logo or specific requests.

Premium Heavy-Duty Black Hex Bolts for Industrial Use

Name: Premium Heavy-Duty Black Hex Bolts for Industrial Use
Brand: Guangzhou Jundasheng Hardware and Electrical Appliance Co., Ltd
SKU: 2213351705

Guangdong, ChinaGuangzhou Jundasheng Hardware and Electrical Appliance Co., Ltd

US$0.40

10,000-999,998 Pieces

US$0.33

999,999 Pieces

US$0.03

1,000,000+ Pieces

Sample price:US$0.50/bag.Request sample

Product profile

Customization

Available

Material

Carbon Steel

Shape of Head

Round Head with Washer

Model NO.

M8*16, M8*20, M8*30

Surface Finishing

Galvanize

Certification

ISO, GS, RoHS, CE

Customized

Application Scenario

Machinery, Furniture,Buildings, etc

Delivery Time

10-30 Days

Export Market

Global

Product Grade

8.8

Standard

GB5783-86

Transport Package

Bag and Tray

Specification

8*60

Trademark

JDS or customized

Origin

Guangdong, China

Production Capacity

400 Tons Per Month

Key features

30 Years Manufacturing Experience: Over three decades of professional production expertise in fasteners.

ISO & CE Certified Quality: Certified by ISO, GS, RoHS, CE with 100% finished product inspection.

Full Customization Options: Customizable from samples, designs, or minor adjustments for specific needs.

Free Sample Service: Free standard fastener samples for new customers; long-term clients get free shipping.

Competitive Factory Pricing: Direct factory supply ensuring cost-effective solutions without middlemen.

Robust Material Grades: Available in Carbon Steel 4.8, 8.8, 12.9 and Stainless Steel A2-70.

Global Export Capability: Exporting worldwide with flexible Incoterms including FOB, CIF, DDP, etc.

Rigorous Quality Control: Meticulous QC team inspects every batch with MTC and mill certificates provided.

Company profile

ODM ServicesManagement CertificationProduction Process VisualizationStandardized quality control

Guangzhou Jundasheng Hardware and Electrical Appliance Co., Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2020-10-20Nearest Port: guangzhouAverage Response Time: ≤4.38h

AI-Powered supplier vetting

SummaryJundasheng Hardware & Electrical Co., Ltd. is a Guangzhou-based fastener manufacturer established in 2003, with integrated production, R&D, and sales activities. The supplier reports ISO9001 and SGS certification, documented corrective/preventive-action and complaint-handling procedures, inventory capability, and customization and ODM services. Its stated product scope includes screws, gaskets, nuts, bolts, and other metal products, with reported production of 4,000 tons for each of these four categories and order fulfillment within 15 workdays in both peak and off-peak periods. However, the supplier does not provide OEM services for popular brands, lacks an available SDK, has no overseas warehouse, showroom, agent, or branch, and has not participated in offline trade shows. Financial credibility cannot be assessed because the supplied financial fields contain only years rather than financial results or supporting metrics. Customer-case evidence is also insufficient.

Supplier typeThe supplier is identified as a Guangzhou-based professional fastener production factory established in 2003, combining manufacturing, research and development, and sales. Its registered business scope also covers metal products, machinery parts, electrical equipment, import/export, and related technical services, indicating a manufacturer rather than a pure trading company.

CertificationsThe supplier states that it has obtained ISO9001 quality management system certification and SGS international certification system certification. These are explicit certification claims supporting quality-system credentials, although no certificate numbers, validity dates, or scope details are provided.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions and customer complaint handling, and it can provide quotations under FOB, CIF, CFR, and EXW terms. However, it has no overseas warehouse, overseas showroom, overseas agent or branch, and offers overseas service in zero countries, so its documented process capability is stronger than its overseas service network.

R&D capabilityThe supplier reports R&D capability, new products during the past year, and ODM service availability, while its company description identifies R&D as part of its integrated operations. Nevertheless, it reports no available SDK, so the evidence supports product-development capability but not software-development or SDK capability.

Production capacityThe supplier reports in-stock capability, production of 4,000 tons each of screws, gaskets, nuts, and bolts, and order fulfillment within 15 workdays in both peak and off-peak seasons. A weakness is that no valid manufacturing-capacity contract exists with related subcontractors, which may limit reliance on outsourced capacity.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, and ODM services. This directly demonstrates broad stated customization coverage.

Product Q&A

Q:How can I trust your quality?

We have over 30 years of industry experience and a skilled management team. Our QC team inspects every production stage, providing MTC and mill certificates upon completion.

Q:What is your delivery time?

In-stock items are dispatched within 2-5 days. For 1-2 container orders, delivery is within 18-25 days. Larger urgent orders receive priority scheduling.

Q:Do you accept small orders?

Yes, we welcome small orders for standard and non-customized products. Please feel free to consult us for details.

Q:Can I get free samples?

For new customers, we offer free samples of standard fasteners, with express charges covered by the client. Long-term clients enjoy free samples with express charges on us.

Q:What materials and grades do you offer?

We offer Carbon Steel (4.8, 8.8, 12.9) and Stainless Steel (201, 304, 316, A2-70). We also provide various surface treatments like zinc plating and galvanizing.